Ancona Seasonal Pollution
Ancona usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in September. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Marche, Italy.
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Average EPA AQI
60
Rank 32 of 132 cities by average AQI
PM2.5
14.9
ug/m3 annualized city average
Seasonality
January
Cleanest: September
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ancona
81
66
54
48
51
55
64
57
46
56
71
53
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Ancona, the current global analytics build covers 256 daily rows from 2024-01-01 to 2024-12-30. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.